ASHRAE - 217 ADD A
Non-Emergency Ventilation in Enclosed Road, Rail, and Mass Transit Facilities
Organization: | ASHRAE |
Publication Date: | 21 January 2022 |
Status: | active |
Page Count: | 9 |
scope:
FOREWORD
Addendum a makes the following changes to ASHRAE Standard 217-2020:
a. Adds a new definition of asset management
b. Modifies the definition of heat-sink
c. Adds a new Section 6.4.3, "Induced Airflows" to Section 6, "Rail Tunnels"
d. Clarifies the application of tunnel ventilation fans and tunnel draft relief in Section 7.3.5 of Section 7, "Mass Transit Tunnels"
e. Adds new Sections 8.1.7, 8.1.8, and 8.2.6 related to airborne pathogens and transmission vector to Section 8, "Mass Transit Stations"
f. Adds reference to asset management in Section 11.4.1 in Section 11, "Operations and Maintenance"
g. Adds concept of operations to Section 11.10.1.1 requirements in Section 11, Operations and Maintenance"
h. Adds explanatory material to Informative Appendix A related to mitigation of airborne transmission at station.
i. Makes other editorial changes and modifies references, renumbers sections accordingly
Note: In this addendum, changes to the current standard are indicated in the text by underlining (for additions) and strikethrough (for deletions) unless the instructions specifically mention some other means of indicating the changes.
Document History

